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Earth's Interior

Across
A trace of an organism that has been preserved in rock
A dense sphere of solid iron and nickel at the center of the Earth
Aa break in the Earth's crust where masses of rock slip past each other
A wave of energy that travels through the Earth away from an earthquake in all directions
A plate boundary where two plates move past each other in opposite directions
A plate boundary where two plates move toward each other
A soft layer of the mantle on which the lithosphere floats
Tthe transfer of heat by movement of current within a fluid
The name of the single land mass that broke apart 200 million years ago and gave rise to today's continents
A section of the lithosphere that slowly moves over the asthenosphere carrying pieces of continental and oceanic crust
Down
The hypothesis that the continents slowly move across Earth's surface
A plate boundary where two plates move away from each other
The layer of molten iron and nickel that surrounds the inner core of the Earth
The theory that the Earth's lithosphere are in constant motion driven by convection currents in the mantle
A rigid layer made up of the uppermost part of the mantle and crust
The transfer of heat from one particle of matter to another
A layer of rock that forms the Earth's outer surface
The layer of hot solid material between the Earth's crust and core